package com.section3.service;

import org.springframework.stereotype.Component;

import java.util.List;
@Component
public class StudyServiceImpl {
    public void insert() {
        System.out.println("----insert student----");
    }
    public void delete() {
        System.out.println("----delete student----");
    }
    public String update(String i) {
        System.out.println("----update student----");
        return i;
    }
    public List<Object> select() {
        return null;
    }
}
